Equivalent resistance or reactance (impedance in general) is the resistance value that primary "feels" when a resistor is connected on the secondary, or is the quotient of voltage and current of primary for a connected secondary resistor (and vice versa)
Equivalent impedances can eassily be obtained by multiplying its real value by de number of turns ratio to the square.
Let's say that primary and secondary winding impedances are Z1 (R1, X1) and Z2 (R2, X2) respectively and their number of turns are N1 and N2 respectively. The equivalent impedance referred to primary side is:
Zp = Z1 + Z2*(N1/N2)^2
And referred to the secondary side:
Zs = Z1*(N2/N1)^2 + Z2 Julian
Equivalent impedances can eassily be obtained by multiplying its real value by de number of turns ratio to the square.
Let's say that primary and secondary winding impedances are Z1 (R1, X1) and Z2 (R2, X2) respectively and their number of turns are N1 and N2 respectively. The equivalent impedance referred to primary side is:
Zp = Z1 + Z2*(N1/N2)^2
And referred to the secondary side:
Zs = Z1*(N2/N1)^2 + Z2 Julian